What is CVE-2026-56788?

CVE-2026-56788 is a medium-severity vulnerability, classified under Out-of-bounds Read. CVSS score: 4.4/10. Published 2026-06-25.

How severe is CVE-2026-56788?

Medium severity. CVSS v3 base score is 4.4 out of 10.

CVE-2026-56788

CVE-2026-56788

RTKLIB through 2.4.3 contains an out-of-bounds read vulnerability in getcodepri function when processing unrecognized RINEX observation codes, allowing attackers to trigger denial of service. Crafted RINEX files with unknown observation ty…

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L.

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

disclosure@vulncheck.com (technical-description, exploit)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-56788?: CVE-2026-56788 is a medium-severity vulnerability, classified under Out-of-bounds Read. CVSS score: 4.4/10. Published 2026-06-25.
How severe is CVE-2026-56788?: Medium severity. CVSS v3 base score is 4.4 out of 10.